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    <h1>Frequently Asked Questions</h1>

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<p>Below are some frequently asked questions about the use of PRISM.
For issues regarding the installation of PRISM, see the "<a class='wikilink' href='../InstallingPRISM/CommonProblemsAndQuestions.html'>Common Problems And Questions</a>" section in the <a class='wikilink' href='../InstallingPRISM/Instructions.html'>installation instructions</a>. If you have questions that are not answered here, please use the <a class='urllink' href='http://groups.google.com/group/prismmodelchecker'>discussion group</a>.
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<p class='vspace'>Questions are grouped into the several topics, as shown below. You can also view <a class='wikilink' href='AllOnOnePage.html'>all topics together</a>.
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<div class='vspace'></div><h3><a class='wikilink' href='MemoryProblems.html'>Memory Problems</a></h3>
<ul><li><a class='wikilink' href='MemoryProblems.html#crash'>PRISM crashed or stopped responding. Why?</a>
</li><li><a class='wikilink' href='MemoryProblems.html#memout'>I ran out of memory. What can I do?</a>
</li><li><a class='wikilink' href='MemoryProblems.html#memout_constr'>I ran out of memory during model construction. What can I do?</a>
</li><li><a class='wikilink' href='MemoryProblems.html#memout_check'>I ran out of memory during model checking What can I do?</a>
</li><li><a class='wikilink' href='MemoryProblems.html#memout_parse'>I ran out of memory during model parsing. What can I do?</a>
</li></ul><div class='vspace'></div><h3><a class='wikilink' href='PRISMModelling.html'>PRISM Modelling</a></h3>
<ul><li><a class='wikilink' href='PRISMModelling.html#max_model_size'>What size models can PRISM handle?</a>
</li><li><a class='wikilink' href='PRISMModelling.html#model_size'>How can I reduce the size of my model?</a>
</li><li><a class='wikilink' href='PRISMModelling.html#ordering'>How can I choose a good variable ordering?</a>
</li><li><a class='wikilink' href='PRISMModelling.html#det_delay'>How can I add deterministic time delays to a CTMC model?</a>
</li></ul><div class='vspace'></div><h3><a class='wikilink' href='PRISMProperties.html'>PRISM Properties</a></h3>
<ul><li><a class='wikilink' href='PRISMProperties.html#mult_states'>How do I check if a property is true in multiple (or all) states?</a>
</li><li><a class='wikilink' href='PRISMProperties.html#action'>How do I compute the probability of an action occurring?</a>
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<h3><a class='wikilink' href='../Main/Welcome.html'>PRISM Manual</a></h3>
<p><strong><a class='selflink' href='Main.html'>Frequently Asked Questions</a></strong>
</p><ul><li><a class='wikilink' href='MemoryProblems.html'>Memory Problems</a>
</li><li><a class='wikilink' href='PRISMModelling.html'>PRISM Modelling</a>
</li></ul><p>[ <a class='wikilink' href='AllOnOnePage.html'>View all</a> ]
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